2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Basic information
- Product Name:
- 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
- Synonyms:
-
- 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt
- C.I.Acid Brown 91:C.I.17550
- Acid Brown 91
- CAS:
- 6222-54-4
- MF:
- C18H15N3Na2O7S2
- MW:
- 495.43714
- EINECS:
- 612-965-0
- Mol File:
- 6222-54-4.mol
More
Less
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt Usage And Synthesis
Preparation
(4-Aminophenyl)methanesulfonic acid??diazo, in alkaline conditions and 4-Hydroxy-6-(methylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
Dark time Soluble in water and ethanol is brown. The strong sulfuric acid for dark orange-red, diluted into palm orange. In water solution to join strong hydrochloric acid for olive brown; Add thick sodium hydroxide solution by red brown into wine red.
More
Less
2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)-3-[[4-(sulfomethyl)phenyl]azo]-, disodium salt(6222-54-4)Related Product Information
- Acid brown 97
- disodium 4-hydroxy-6-(phenylamino)-3-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate
- C.I. Acid Brown 92
- 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxyphenyl)azo]-6-[(2-sulfoethyl)amino]-, disodium salt
- 6-Amino-4-hydroxy-3-[[4-(sulfomethyl)phenyl]azo]-2-naphthalenesulfonic acid disodium salt
- ACID BROWN85 (C.I. 34900)
- Cuprate(2-), [4-(hydroxy-κO)-3-[[2-(hydroxy-κO)-5-sulfophenyl]azo-κN1]-6-(phenylamino)-2-naphthalenesulfonato(4-)]-, disodium
- 2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[(2-methyl-4-nitrophenyl)azo]-, disodium salt
- C.I. Acid Brown 87